Base | Representation |
---|---|
bin | 1001000100111… |
… | …10111110100001 |
3 | 12022021202022001 |
4 | 10202132332201 |
5 | 123443224031 |
6 | 11320044001 |
7 | 1613152462 |
oct | 442367641 |
9 | 168252261 |
10 | 76148641 |
11 | 39a90668 |
12 | 21603601 |
13 | 12a1238a |
14 | a182d69 |
15 | 6a42861 |
hex | 489efa1 |
76148641 has 4 divisors (see below), whose sum is σ = 76330800. Its totient is φ = 75966484.
The previous prime is 76148581. The next prime is 76148669. The reversal of 76148641 is 14684167.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14684167 = 229 ⋅64123.
It is a cyclic number.
It is not a de Polignac number, because 76148641 - 215 = 76115873 is a prime.
It is a super-2 number, since 2×761486412 = 11597231052293762, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 76148641.
It is not an unprimeable number, because it can be changed into a prime (76148671) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90451 + ... + 91288.
It is an arithmetic number, because the mean of its divisors is an integer number (19082700).
Almost surely, 276148641 is an apocalyptic number.
It is an amenable number.
76148641 is a deficient number, since it is larger than the sum of its proper divisors (182159).
76148641 is a wasteful number, since it uses less digits than its factorization.
76148641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182158.
The product of its digits is 32256, while the sum is 37.
The square root of 76148641 is about 8726.3188688014. The cubic root of 76148641 is about 423.8583264211.
The spelling of 76148641 in words is "seventy-six million, one hundred forty-eight thousand, six hundred forty-one".
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